Vaughan AQI Trends
Vaughan AQI was measured across 2024-2025, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Ontario, Canada.
Search city analytics
Average EPA AQI
39
Rank 25 of 158 cities by average AQI
PM2.5
8.0
ug/m3 annualized city average
Seasonality
August
Cleanest: April
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Vaughan
43
43
29
27
34
37
47
50
43
38
29
43
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Vaughan, the current global analytics build covers 366 daily rows from 2024-01-01 to 2025-01-01. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.